/*
 * Copyright 2012-2018 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.stars.easyms.logger.support.logback.springboot.version1xx;

import ch.qos.logback.classic.Level;
import ch.qos.logback.classic.encoder.PatternLayoutEncoder;
import ch.qos.logback.classic.spi.ILoggingEvent;
import ch.qos.logback.core.Appender;
import ch.qos.logback.core.ConsoleAppender;
import ch.qos.logback.core.rolling.FixedWindowRollingPolicy;
import ch.qos.logback.core.rolling.RollingFileAppender;
import ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy;
import ch.qos.logback.core.util.FileSize;
import ch.qos.logback.core.util.OptionHelper;
import com.stars.easyms.logger.support.logback.springboot.version1xx.bind.EasyMsRelaxedPropertyResolver;
import org.springframework.boot.logging.LogFile;
import org.springframework.boot.logging.LoggingInitializationContext;
import org.springframework.boot.logging.logback.ColorConverter;
import org.springframework.boot.logging.logback.ExtendedWhitespaceThrowableProxyConverter;
import org.springframework.boot.logging.logback.WhitespaceThrowableProxyConverter;
import org.springframework.core.env.Environment;
import org.springframework.core.env.PropertyResolver;
import org.springframework.core.env.PropertySourcesPropertyResolver;
import org.springframework.util.ReflectionUtils;

import java.lang.reflect.Method;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;

/**
 * <p>className: EasyMsDefaultLogbackConfiguration</p>
 * <p>description: 因原DefaultLogbackConfiguration权限问题新增相同代码的类</p>
 *
 * @author guoguifang
 * @date 2019-11-14 16:35
 * @since 1.4.0
 */
public class EasyMsDefaultLogbackConfiguration {

    private static final String CONSOLE_LOG_PATTERN = "%clr(%d{yyyy-MM-dd HH:mm:ss.SSS}){faint} "
            + "%clr(${LOG_LEVEL_PATTERN:-%5p}) %clr(${PID:- }){magenta} %clr(---){faint} "
            + "%clr([%15.15t]){faint} %clr(%-40.40logger{39}){cyan} "
            + "%clr(:){faint} %m%n${LOG_EXCEPTION_CONVERSION_WORD:-%wEx}";

    private static final String FILE_LOG_PATTERN = "%d{yyyy-MM-dd HH:mm:ss.SSS} "
            + "${LOG_LEVEL_PATTERN:-%5p} ${PID:- } --- [%t] %-40.40logger{39} : %m%n${LOG_EXCEPTION_CONVERSION_WORD:-%wEx}";

    private static final Charset UTF8 = StandardCharsets.UTF_8;

    private final PropertyResolver patterns;

    private final LogFile logFile;

    public EasyMsDefaultLogbackConfiguration(LoggingInitializationContext initializationContext,
                                LogFile logFile) {
        this.patterns = getPatternsResolver(initializationContext.getEnvironment());
        this.logFile = logFile;
    }

    private PropertyResolver getPatternsResolver(Environment environment) {
        if (environment == null) {
            return new PropertySourcesPropertyResolver(null);
        }
        return EasyMsRelaxedPropertyResolver.ignoringUnresolvableNestedPlaceholders(environment,
                "logging.pattern.");
    }

    public void apply(EasyMsLogbackConfigurator config) {
        synchronized (config.getConfigurationLock()) {
            base(config);
            Appender<ILoggingEvent> consoleAppender = consoleAppender(config);
            if (this.logFile != null) {
                Appender<ILoggingEvent> fileAppender = fileAppender(config,
                        this.logFile.toString());
                config.root(Level.INFO, consoleAppender, fileAppender);
            }
            else {
                config.root(Level.INFO, consoleAppender);
            }
        }
    }

    private void base(EasyMsLogbackConfigurator config) {
        config.conversionRule("clr", ColorConverter.class);
        config.conversionRule("wex", WhitespaceThrowableProxyConverter.class);
        config.conversionRule("wEx", ExtendedWhitespaceThrowableProxyConverter.class);
        EasyMsLevelRemappingAppender debugRemapAppender = new EasyMsLevelRemappingAppender(
                "org.springframework.boot");
        config.start(debugRemapAppender);
        config.appender("DEBUG_LEVEL_REMAPPER", debugRemapAppender);
        config.logger("org.apache.catalina.startup.DigesterFactory", Level.ERROR);
        config.logger("org.apache.catalina.util.LifecycleBase", Level.ERROR);
        config.logger("org.apache.coyote.http11.Http11NioProtocol", Level.WARN);
        config.logger("org.apache.sshd.common.util.SecurityUtils", Level.WARN);
        config.logger("org.apache.tomcat.util.net.NioSelectorPool", Level.WARN);
        config.logger("org.crsh.plugin", Level.WARN);
        config.logger("org.crsh.ssh", Level.WARN);
        config.logger("org.eclipse.jetty.util.component.AbstractLifeCycle", Level.ERROR);
        config.logger("org.hibernate.validator.internal.util.Version", Level.WARN);
        config.logger("org.springframework.boot.actuate.autoconfigure."
                + "CrshAutoConfiguration", Level.WARN);
        config.logger("org.springframework.boot.actuate.endpoint.jmx", null, false,
                debugRemapAppender);
        config.logger("org.thymeleaf", null, false, debugRemapAppender);
    }

    private Appender<ILoggingEvent> consoleAppender(EasyMsLogbackConfigurator config) {
        ConsoleAppender<ILoggingEvent> appender = new ConsoleAppender<>();
        PatternLayoutEncoder encoder = new PatternLayoutEncoder();
        String logPattern = this.patterns.getProperty("console", CONSOLE_LOG_PATTERN);
        encoder.setPattern(OptionHelper.substVars(logPattern, config.getContext()));
        encoder.setCharset(UTF8);
        config.start(encoder);
        appender.setEncoder(encoder);
        config.appender("CONSOLE", appender);
        return appender;
    }

    private Appender<ILoggingEvent> fileAppender(EasyMsLogbackConfigurator config,
                                                 String logFile) {
        RollingFileAppender<ILoggingEvent> appender = new RollingFileAppender<>();
        PatternLayoutEncoder encoder = new PatternLayoutEncoder();
        String logPattern = this.patterns.getProperty("file", FILE_LOG_PATTERN);
        encoder.setPattern(OptionHelper.substVars(logPattern, config.getContext()));
        appender.setEncoder(encoder);
        config.start(encoder);
        appender.setFile(logFile);
        setRollingPolicy(appender, config, logFile);
        setMaxFileSize(appender, config);
        config.appender("FILE", appender);
        return appender;
    }

    private void setRollingPolicy(RollingFileAppender<ILoggingEvent> appender,
                                  EasyMsLogbackConfigurator config, String logFile) {
        FixedWindowRollingPolicy rollingPolicy = new FixedWindowRollingPolicy();
        rollingPolicy.setFileNamePattern(logFile + ".%i");
        appender.setRollingPolicy(rollingPolicy);
        rollingPolicy.setParent(appender);
        config.start(rollingPolicy);
    }

    private void setMaxFileSize(RollingFileAppender<ILoggingEvent> appender,
                                EasyMsLogbackConfigurator config) {
        SizeBasedTriggeringPolicy<ILoggingEvent> triggeringPolicy = new SizeBasedTriggeringPolicy<>();
        try {
            triggeringPolicy.setMaxFileSize(FileSize.valueOf("10MB"));
        }
        catch (NoSuchMethodError ex) {
            // Logback < 1.1.8 used String configuration
            Method method = ReflectionUtils.findMethod(SizeBasedTriggeringPolicy.class,
                    "setMaxFileSize", String.class);
            ReflectionUtils.invokeMethod(method, triggeringPolicy, "10MB");
        }
        appender.setTriggeringPolicy(triggeringPolicy);
        config.start(triggeringPolicy);
    }
}